68516475 has 24 divisors (see below), whose sum is σ = 113897472. Its totient is φ = 36343200.

The previous prime is 68516467. The next prime is 68516507. The reversal of 68516475 is 57461586.

It is not a de Polignac number, because 68516475 - 2³ = 68516467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11934 + ... + 16716.

It is an arithmetic number, because the mean of its divisors is an integer number (4745728).

Almost surely, 2^68516475 is an apocalyptic number.

68516475 is a deficient number, since it is larger than the sum of its proper divisors (45380997).

68516475 is a wasteful number, since it uses less digits than its factorization.

68516475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4987 (or 4982 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 68516475 is about 8277.4679099348. The cubic root of 68516475 is about 409.1962739824.

The spelling of 68516475 in words is "sixty-eight million, five hundred sixteen thousand, four hundred seventy-five".